What is plate tectonics? Earthquakes and volcanoes
Plate tectonics: The world as seen from space (flattened out) The continents move around When you look at a map of the world, it seems as though it was always [...]
Plate tectonics: The world as seen from space (flattened out) The continents move around When you look at a map of the world, it seems as though it was always [...]
Earthquake in Peru - we measure earthquakes using logarithms What are logarithms? Logarithms are a way of writing numbers using exponents. "Log 100" means the exponent you'd need to use to get 100 [...]
Where ibn Sina came from: Uzbekistan Ibn Sina and the Samanids in Uzbekistan Ibn Sina (known to Europeans as Avicenna) was a scientist. He was born about 980 AD in the north-eastern part of [...]
The god Poseidon rules the ocean Ocean god Poseidon The Greeks thought of the god Poseidon as a god of violent, unpredictable movement. He is most often the god of the ocean, which is [...]
Ancient Greek climate: The island of Rhodes Good fishing Fishing was very important to early Stone Age people, and fishing is probably what brought the first people to [...]
The Alps Where are the Alps? The Alps are a long row of mountains dividing southern Europe from northern Europe. France and Germany are on one side of the Alps, [...]
Earthquake in Peru - Earthquakes can split the ground open! What causes earthquakes? What causes earthquakes? Earthquakes happen when the moving tectonic plates that make up the surface of the Earth [...]
Chinese seismograph (132 AD)(thanks to National Geographic) Earthquakes are a big problem in China, where there are many earthquakes, and often strong ones. Under the Han Dynasty, a man called [...]
Can you use things around your house or the hardware store to design your own seismograph to record earthquakes? Try building it to see if it would work. A good design should [...]